ivan3439
ivan3439
16-03-2022
Mathematics
contestada
10x+5y=30 and 20x+5y=50 solve by substitution
Respuesta :
burnirules12
burnirules12
16-03-2022
x = 3 - y/2 that’s for the 1st answer
Answer Link
augustinethawnpi
augustinethawnpi
16-03-2022
10x+5y=30
20x+5y=50
20x+5y=50
5y=-20x+50 ( divided by 5 )
y=-4x+10
10x+5y=30
10x+5(-4x+10 ) =30 ( substitute Y value )
10x-20x+50=30
-10x=-20
x=2
20x+5y=50
20(2)+5y=50
40+5y=50
5y=10
y=2
( 2, 2 )
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
James I of England struggled with Parliament because he believed in _____.
5. Name the ocean current that helps to warm the eastern US and England_______
please help me. 50 points
Find the value of X to the nearest tenth
A soccer field is 115 yards (yd) long by 70 yd wide. What is the length of the diagonal of a soccer field? Round your answer to the nearest tenth. a. Model the
How can you protect data on your mobile computing and portable electronic devices (PEDs)?
what is Treasury stock ?write the accounting entries of treasuring stock
If an object is tossed up vertically, when in its flight before it hits the ground is its velocity zero? Explain why this is true.
which choice best identifies the main idea of the summary of the excerpt gullivers travels by jonathan swift
PLEASE HELP!!!!!!!! i would really appreciate it
